Filter



FIG. 1 is a perspective view from the side and above of the filter ofthis invention, the lower face of the filter being disclaimed; and,

FIG. 2 is a side elevational view of the filter, all side-elevationalviews of the filter being identical.

A filter has a cylindrical outer surface, a planar upper surface, and acentral vertically throughgoing hole opening at the top surface at abeveled edge. The filter is rotation-symmetrical about the center axisof the central hole.

CLAIM The ornamental design for a filter, as shown and described.